SC
Sienna Capital
Strassen, Luxembourg
Sienna Venture Capital focuses on investing in early growth tech companies with a "tech for purpose" approach, aiming to generate positive environmental or societal impact. Their strategy involves supporting companies that provide solutions to these issues, typically investing $5 to $10 million in early growth and growth-stage companies, often leading or co-leading funding rounds.
They made 1 investments in the last 12 months. Their most common stage is series-c (57% of deals). Average disclosed round size is $46.9M (across 7 rounds with reported amounts).
Portfolio
7
Fund Size
—
Top Stage
Series C
Last 12 Mo
1
Team
IA
Isabelle Amiel-Azoulai
Managing Partner
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
7 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Seemplicity | Series B | $50M | Aug 2025 |
 DustPhotonics | Series B | $24M | Feb 2024 |
 Ibex Medical Analytics | Series C | $55M | Sep 2023 |
| IIncredo | Series C | $30M | May 2023 |
 Hourly.io | Series A | $32M | Nov 2022 |
 Pollen | Series C | $60M | Oct 2020 |
| Pollen | Series C | $77.5M | Oct 2019 |
Top Co-Investors
Northzone2 shared
Kindred Ventures2 shared
Draper Esprit2 shared
Backed2 shared
Glilot Capital Partners2 shared
Octopus Ventures1 shared
83North1 shared
aMoon1 shared
Planven Entrepreneur Ventures1 shared
Dell Technologies Capital1 shared
Greenfield1 shared
Atreides Management1 shared
Exor Ventures1 shared
Vintage Investment Partners1 shared
J-Ventures1 shared
MS&AD Ventures1 shared
Essentia Venture Capital1 shared
Last updated: 12 April 2026